Popular Astronomy, Volume 57Goodsell Observatory of Carleton College, 1949 |
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Page 24
... eclipses will be visible from the United States . I. A total eclipse of the Moon , April 12-13 , 1949 , visible in whole or in part , in Europe , Africa , the North Atlantic Ocean , and North and South America . This eclipse will occur ...
... eclipses will be visible from the United States . I. A total eclipse of the Moon , April 12-13 , 1949 , visible in whole or in part , in Europe , Africa , the North Atlantic Ocean , and North and South America . This eclipse will occur ...
Page 25
... eclipses in 1895 and its mate in 1949 is just 19,756 . So it is that for nearly every eclipse we see now a very similar one will occur in 19,756 days , or 54 years 32 days . IV . A partial eclipse of the Sun , October 21 , 1949 ...
... eclipses in 1895 and its mate in 1949 is just 19,756 . So it is that for nearly every eclipse we see now a very similar one will occur in 19,756 days , or 54 years 32 days . IV . A partial eclipse of the Sun , October 21 , 1949 ...
Page 150
... eclipse or occulta- tion , III by eclipse , and IV by occulation . This is a rare event . The last previous occurrence of which I have knowledge was on July 16 , 1939. Jupiter will not be visible in the United States at this time ...
... eclipse or occulta- tion , III by eclipse , and IV by occulation . This is a rare event . The last previous occurrence of which I have knowledge was on July 16 , 1939. Jupiter will not be visible in the United States at this time ...
Contents
INDEX TO ILLUSTRATIONS | 48 |
Astrolabes Photographs of 159 160 | 159 |
e Orbit of 464 | 178 |
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American angle appear asteroid astrolabe Astronomical Society atmosphere atomic average bright brighter California Cepheids cloud color comets crater curves determined diameter distance earth eclipse enstatite Ephemeris fireball galactic galaxy globular clusters Harvard Harvard College Observatory heliometer indicated instrument interest July June Jupiter latitude Lick Observatory light lunar magnitude Mars mass maximum mean measured meridian Messier meteor meteorites Meteoritical Society method miles Milky mirror month moon motion nebulae Notes novae object observations Observatory OCCULTATIONS VISIBLE October Open cluster optical orbit origin Palomar Palomar Observatories paper parallax particles period photographic planetary planetary nebulae planets plates POPULAR ASTRONOMY present probably published radiation radio relative rocket rotation Russell Santa Rosa Saturn scientific solar system space spectra spectrum stellar Struve Sunspot Table telescope temperature theory tion University Uranus Variable Star velocity Venus Yerkes Observatory